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प्रश्न
Give reasons:
Mercury cell delivers a constant potential during its life time.
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उत्तर
In the mercury cell, the overall reaction does not involve any ion in solution whose concentration can change during its lifetime, due to this reason its potential (1.35 V approx.) remains constant.
संबंधित प्रश्न
Draw neat and labelled diagram of dry cell.
Write cell reaction in lead storage battery during discharge.
Define electrochemical cell
Why does the cell potential of mercury cell remain constant throughout its life?
From the given cells:
Lead storage cell, Mercury cell, Fuel cell and Dry cell
Answer the following:
(i) Which cell is used in hearing aids?
(ii) Which cell was used in Apollo Space Programme?
(iii) Which cell is used in automobiles and inverters?
(iv) Which cell does not have long life?
What type of battery is mercury cell? Why is it more advantageous than dry cell?
Name the type of cell which was used in Apollo space programme for providing electrical power.
Define terms: Fuel cell
Define the following terms: Secondary batteries
Dry cells are commonly used in clocks, torches, calculators etc. They are the most familiar type of commercial cells.
- What acts as anode and cathode in dry cell?
- Which chemical compounds are filled between anode and cathode of this cell?
- Why do dry cells not have a long life?
